using System; using System.Globalization; using System.IO; using System.Linq; using System.Text.RegularExpressions; using Emby.Naming.Common; namespace Emby.Naming.Video { /// /// http://kodi.wiki/view/Advancedsettings.xml#video /// public class CleanDateTimeParser { private readonly NamingOptions _options; public CleanDateTimeParser(NamingOptions options) { _options = options; } public CleanDateTimeResult Clean(string name) { var originalName = name; try { var extension = Path.GetExtension(name) ?? string.Empty; // Check supported extensions if (!_options.VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase) && !_options.AudioFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)) { // Dummy up a file extension because the expressions will fail without one // This is tricky because we can't just check Path.GetExtension for empty // If the input is "St. Vincent (2014)", it will produce ". Vincent (2014)" as the extension name += ".mkv"; } } catch (ArgumentException) { } var result = _options.CleanDateTimeRegexes.Select(i => Clean(name, i)) .FirstOrDefault(i => i.HasChanged) ?? new CleanDateTimeResult { Name = originalName }; if (result.HasChanged) { return result; } // Make a second pass, running clean string first var cleanStringResult = new CleanStringParser().Clean(name, _options.CleanStringRegexes); if (!cleanStringResult.HasChanged) { return result; } return _options.CleanDateTimeRegexes.Select(i => Clean(cleanStringResult.Name, i)) .FirstOrDefault(i => i.HasChanged) ?? result; } private static CleanDateTimeResult Clean(string name, Regex expression) { var result = new CleanDateTimeResult(); var match = expression.Match(name); if (match.Success && match.Groups.Count == 4) { if (match.Groups[1].Success && match.Groups[2].Success && int.TryParse(match.Groups[2].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var year)) { name = match.Groups[1].Value; result.Year = year; result.HasChanged = true; } } result.Name = name; return result; } } }